11:08:53 Unable to set Cell Caching using SQLite method, reverting to memory
11:08:53 Create new PHPExcel object
11:08:53 Set properties
11:08:53 Add data
11:08:53 Hide 'Phone' and 'fax' columns
11:08:53 Set outline levels
11:08:53 Freeze panes
11:08:53 Rows to repeat at top
11:08:53 Write to Excel2007 format
11:08:54 File written to 06largescale-with-cellcaching-sqlite.xlsx
Call time to write Workbook was 0.1967 seconds
11:08:54 Current memory usage: 22 MB
11:08:54 Peak memory usage: 24 MB
11:08:54 Done writing file
File has been created in /home/autourdey/invoice/vendor/phpoffice/phpexcel/Examples